ATEN CS782DP 2-Port UHD 4K USB DisplayPort KVM Switch - allows to access two 4K-enabled computers from a single USB keyboard, USB mouse, and DisplayPort video console - Walmart.com
ATEN CS1716IUKIT 16-Port PS/2-USB KVM Over IP Switch Kit | Full Compass Systems
ATEN CS1798: 8-Port USB HDMI KVM Switch - aten-kvm.com